What is the cheapest airline that flies from Philadelphia to Saint Croix?

American Airlines and United Airlines are the most popular carriers operating from Philadelphia to Saint Croix

What airlines fly to Saint Croix?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Saint Croix from Philadelphia according to our data. American Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Saint Croix. Keep in mind that there are 3 different airlines that fly to Saint Croix on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Saint Croix?

Prices for flights from Philadelphia Airport to Saint Croix are refreshed on a daily basis.

How many operators does momondo search for flights from Philadelphia Airport to Saint Croix?

The number of operators available for flights from Philadelphia Airport to Saint Croix is 1 as of October 2026.

How old do you have to be to fly from Philadelphia Airport to Saint Croix?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Saint Croix.

What documentation or ID do you need to fly to Saint Croix?

The travel and health documents you'll need for your trip to Saint Croix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$238 Cheap Flights from Philadelphia to Saint Croix in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Saint Croix

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 2:35 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

8h 05m1 stop Atlanta Hartsfield-Jackson

3:35 pm - 12:51 amSTX Christiansted Henry Rohlsen-PHL Philadelphia

10h 16m1 stop Atlanta Hartsfield-Jackson

$416Delta

Tue, Feb 16 - Fri, Feb 26

5:30 am - 1:20 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

7h 50m1 stop Atlanta Hartsfield-Jackson

2:25 pm - 12:51 amSTX Christiansted Henry Rohlsen-PHL Philadelphia

10h 26m1 stop Atlanta Hartsfield-Jackson

$473Delta

Wed, Mar 24 - Tue, Mar 30

5:30 am - 2:35 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

8h 05m1 stop Atlanta Hartsfield-Jackson

3:35 pm - 12:51 amSTX Christiansted Henry Rohlsen-PHL Philadelphia

10h 16m1 stop Atlanta Hartsfield-Jackson

$476Delta

Tue, Feb 16 - Fri, Feb 26

6:35 am - 2:35 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

7h 00m1 stop Atlanta Hartsfield-Jackson

3:35 pm - 12:51 amSTX Christiansted Henry Rohlsen-PHL Philadelphia

10h 16m1 stop Atlanta Hartsfield-Jackson

$476Delta

Sat, Jan 23 - Sat, Jan 30

7:00 am - 2:36 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

6h 36m1 stop San Juan Luis Munoz Marin Intl

3:26 pm - 8:06 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

5h 40m1 stop San Juan Luis Munoz Marin Intl

$489JetBlue

Sun, Jan 17 - Sat, Jan 23

7:00 am - 2:36 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

6h 36m1 stop San Juan Luis Munoz Marin Intl

3:26 pm - 8:06 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

5h 40m1 stop San Juan Luis Munoz Marin Intl

$489JetBlue

Thu, Jan 21 - Sat, Jan 30

7:00 am - 2:36 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

6h 36m1 stop San Juan Luis Munoz Marin Intl

3:26 pm - 8:06 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

5h 40m1 stop San Juan Luis Munoz Marin Intl

$489JetBlue

Sun, Jan 24 - Sun, Jan 31

1:00 pm - 10:39 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

8h 39m1 stop Miami

9:00 am - 5:55 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

9h 55m1 stop Miami

$496American Airlines

Thu, Dec 3 - Mon, Dec 7

6:00 am - 10:20 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

15h 20m1 stop Miami

9:00 am - 5:46 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

9h 46m1 stop Miami

$496American Airlines

Mon, Nov 16 - Fri, Nov 20

1:00 pm - 10:39 pmPHL Philadelphia-STX Christiansted Henry Rohlsen

8h 39m1 stop Miami

9:00 am - 11:55 pmSTX Christiansted Henry Rohlsen-PHL Philadelphia

15h 55m1 stop Miami

$496American Airlines

Fri, Dec 4 - Sun, Dec 6

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American Airlines flights from Philadelphia to Saint Croix

Our best American Airlines deals on Philadelphia to Saint Croix flight tickets

American Airlines

Nov 16

PHL6:00 amPhiladelphia

15h 20m

1 stop

STX10:20 pmChristiansted Henry Rohlsen

Nov 20

STX9:00 amChristiansted Henry Rohlsen

9h 46m

1 stop

PHL5:46 pmPhiladelphia

$496

American Airlines

Dec 3

PHL7:02 amPhiladelphia

14h 37m

1 stop

STX10:39 pmChristiansted Henry Rohlsen

Dec 7

STX9:00 amChristiansted Henry Rohlsen

11h 15m

2 stops

PHL7:15 pmPhiladelphia

$500

American Airlines

Dec 9

PHL6:00 amPhiladelphia

15h 39m

1 stop

STX10:39 pmChristiansted Henry Rohlsen

Dec 13

STX9:00 amChristiansted Henry Rohlsen

13h 57m

1 stop

PHL9:57 pmPhiladelphia

$501

JetBlue flights from Philadelphia to Saint Croix

Our best JetBlue deals on Philadelphia to Saint Croix flight tickets

JetBlue

Jan 17

PHL7:00 amPhiladelphia

6h 36m

1 stop

STX2:36 pmChristiansted Henry Rohlsen

Jan 23

STX3:26 pmChristiansted Henry Rohlsen

5h 40m

1 stop

PHL8:06 pmPhiladelphia

$489

JetBlue

Jan 22

PHL1:00 pmPhiladelphia

24h 36m

1 stop

STX2:36 pmChristiansted Henry Rohlsen

Jan 30

STX3:26 pmChristiansted Henry Rohlsen

5h 40m

1 stop

PHL8:06 pmPhiladelphia

$502

JetBlue

Feb 2

PHL7:00 amPhiladelphia

6h 36m

1 stop

STX2:36 pmChristiansted Henry Rohlsen

Feb 5

STX3:26 pmChristiansted Henry Rohlsen

5h 40m

1 stop

PHL8:06 pmPhiladelphia

$534

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Tue 2/16

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Fri 2/26

3:35 pm-12:51 am

1 stop10h 16m

$416

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Wed 3/24

5:30 am-1:20 pm

1 stop7h 50m

Christiansted Henry Rohlsen

Tue 3/30

2:25 pm-12:51 am

1 stop10h 26m

$473

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Tue 2/16

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Fri 2/26

3:35 pm-12:51 am

1 stop10h 16m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sat 1/23

6:35 am-2:35 pm

1 stop7h 00m

Christiansted Henry Rohlsen

Sat 1/30

3:35 pm-12:51 am

1 stop10h 16m

$476

Quickest round-trip

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sun 1/17

7:00 am-2:36 pm

1 stop6h 36m

Christiansted Henry Rohlsen

Sat 1/23

3:26 pm-8:06 pm

1 stop5h 40m

$489

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Thu 1/21

7:00 am-2:36 pm

1 stop6h 36m

Christiansted Henry Rohlsen

Sat 1/30

3:26 pm-8:06 pm

1 stop5h 40m

$489

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sun 1/24

7:00 am-2:36 pm

1 stop6h 36m

Christiansted Henry Rohlsen

Sun 1/31

3:26 pm-8:06 pm

1 stop5h 40m

$489

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Thu 12/3

1:00 pm-10:39 pm

1 stop8h 39m

Christiansted Henry Rohlsen

Mon 12/7

9:00 am-5:55 pm

1 stop9h 55m

$496

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Mon 11/16

6:00 am-10:20 pm

1 stop15h 20m

Christiansted Henry Rohlsen

Fri 11/20

9:00 am-5:46 pm

1 stop9h 46m

$496

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Fri 12/4

1:00 pm-10:39 pm

1 stop8h 39m

Christiansted Henry Rohlsen

Sun 12/6

9:00 am-11:55 pm

1 stop15h 55m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Saint Croix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Saint Croix?

The month of November is another great option to travel to Saint Croix, with average flight prices from Philadelphia averaging around $494.

Cheap Philadelphia to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Croix

Best Price Found	$238
Fastest flight time	6h 36m
Direct flights	None

The best one-way flight to Saint Croix from Philadelphia in the past 72 hours is $238. The best round-trip flight deal from Philadelphia to Saint Croix found on momondo in the last 72 hours is $416.

The fastest flight from Philadelphia to Saint Croix takes 6h 36m

There are no direct flights from Philadelphia to Saint Croix. There are no popular flight routes from Philadelphia to Saint Croix.

Search flight deals

Frequently asked questions about flying from Philadelphia to Saint Croix

When did momondo last update prices for flights from Philadelphia Airport to Saint Croix?
Prices for flights from Philadelphia Airport to Saint Croix are refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to Saint Croix?
The number of operators available for flights from Philadelphia Airport to Saint Croix is 1 as of October 2026.
How old do you have to be to fly from Philadelphia Airport to Saint Croix?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Saint Croix.
What documentation or ID do you need to fly to Saint Croix?
The travel and health documents you'll need for your trip to Saint Croix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Saint Croix

Compare and see reviews for airlines that fly from Philadelphia to Saint Croix with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $434	Free Cancellation	Rating 7.0 12,096 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Saint Croix?

Finding the right flight to Saint Croix from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Croix quick and easy, saving you time and money.

Can I find flights from Philadelphia to Saint Croix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Croix from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Saint Croix?

Once you have performed a search for Philadelphia to Saint Croix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Saint Croix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Saint Croix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to Saint Thomas Islandfrom $270

Cheap flights from Philadelphia to Saint Croix from $238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Croix departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Philadelphia to Saint Croix

Our best American Airlines deals on Philadelphia to Saint Croix flight tickets

JetBlue flights from Philadelphia to Saint Croix

Our best JetBlue deals on Philadelphia to Saint Croix flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint Croix that are best for you.

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How to get the cheapest flight ticket from Philadelphia to Saint Croix

What is the cheapest month to fly to Saint Croix?

What is the cheapest airline that flies from Philadelphia to Saint Croix?

What airlines fly to Saint Croix?

Cheap Philadelphia to Saint Croix flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Philadelphia to Saint Croix

Best airlines flying from Philadelphia to Saint Croix

Compare and see reviews for airlines that fly from Philadelphia to Saint Croix with momondo

Why use momondo?

An easier way to manage your Saint Croix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Croix

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Popular flights according to clicks in the last 7 days on momondo

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